Smooth and lightweight fabric, Sports Bra Nike Medium Support Logo made with at least 75% recycled polyester fibers, absorbs sweat for keep you dry, comfortable and focused. For every rep, step and jump: know that you are supported. Nike Dri-FIT technology moves sweat away from the skin for faster evaporation, helping you stay dry and comfortable. The Move Freely Racerback design of this Nike bra lets you move naturally during your workout. A fitted design with wide straps helps keep everything in place while you train or compete.